The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-540-5591, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-540-5591 |
| Primary Part Number | SAE J1453-3 8-8 520320SA |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material Document and Classification | SAE J1453 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | PASSIVATE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SAE J1453-3 8-8 520320SA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| SAE J1453-1 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE J1453-3 | 5/9 Secondary reference U.S. Government activity |
| SAE J1453-1 | 5/9 Secondary reference U.S. Government activity |
| SAE J1453-3 8-8 520320SA | 5/9 Secondary reference U.S. Government activity |
| SAE-J1453/3 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-540-5591 is a Elbow,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-540-5591 has 1 manufacturer part number on file: SAE J1453-3 8-8 520320SA (Sae International Dba Sae International).
Key specifications for SAE J1453-3 8-8 520320SA: Material Document and Classification: SAE J1453 ASSN STD ALL MATERIAL RESPONSES OVERALL; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: P/N 8-8 520320SA = 8 = 0.50 PIPE THREAD, 8 = 0.50 TUBE OD, 52 = O-RING FACE SEAL HYDRAULIC, 03 = 45DEG ELBOW, 20 = TUBE O-RING PORT STUD, S = 300 SERIES STAINLESS STEEL PASSIVATED, A = ASSEMBLED W/ SLEEVE AND NUT. PROOF PSI = 12000, BURST PSI = 24000.; Surface Treatment: PASSIVATE OVERALL. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.